Combination rule and bevel.



No. 840,628. PATENTED JAN. 8, 1907.

E. P. JOHNSON.

COMBINATION RULE AND BEVBL.

APPLICATION FILED JULY 12, 1906.

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EDWARDJPETER JOHNSON, OE" GRANDFoRKs; NORTH DAKOTA...

COMBINATION HULE AND BEVEL.

Specification of Letters-Patent.

Patented- J an. 8, 1907 Application filedJ 11y 12,1906; Srial'No.325,970]

7 To. all wh'omitmay concern.-

Be it known that I, EDWARD PETER J'onn SON,& citizen of the UnitedStates, residing at Grand Forks, in the county ofGrand Forks and Stateof N orthDakota, have invented a new and useful Combination Rule andBevel, of which the following is a specification.

This invention relates to improvements in combined rules and bevels, andhas for its In the accompanying drawings,- forming a part ofthis-specification, and in which corre; spondingparts are denoted bylikedesignating characters, isillustrated the preferred form of theembodiment'of the invention capable of carrying the same intopr'acticaloperation, it being understood that various changes in the form,proportion, and minor details of construction may be resorted to withoutdeparting from the princi le or sacrificing any of the advantages of t-s invention within the scope of the appended claims.

In the drawings, Figure 1 is a perspective view of the improvedimplement in folded position. Fig. 2 is a plan View of the improvedimplement in en position. Fig. 3 is a perspective view 0 the graduatedmember of the rule-joint. Fig. 4 is a perspective view of the slottedmember of the rule-joint.

Fig. 5 is a perspective view of the pin-carrying member of therule-joint, Fig. 5 being in reversed position to Fig. 3. Fig. 6 is aperspective view, enlarged, of the clamp-nut. Fig. 7 is a sectional viewillustrating the'manner in which the clamp-nut and pin are concealed andprotected when the rule-sections are folded.

The improved device is preferably applied to the ordinary foldingmeasuring-rule employed by carpenters and like mechanics and embraces aconstruction which when in folded osition presents a symmetrical outlinewit out projecting parts.

In the drawings the improved device is shown applied to a carpentersfolding rule of'the ordinary construction, the two blades beingrepresented,respectively, at 10 and 11 and jointed intermediately; as9.1312 13. The

blade 10 is also dprovided with spaced joint plates 14 15 an-.theblade11' rovided-wit1r the intermediate joint-plate 16 of the usualrulejoin-t" construction and pivotally.

united, as at 17. The rule late 151s -pr'o-- vided with a pin 18,threaded at the outerend and extending through an aperture" 19in theplate 14, while the. plate 16 is provided with a slot120,con'centrie tothe pivot 17 and through whichthe pin 18 also extends; A clam -nut 21engages the-pin18 exterior'ly of the plate 14 and bearsuponthe same; Bythis simple means it is obviousthat nut 21is loosened the blades 10ll-rnay opened to any required extent a'nd clamped in anydesiredrelative position bymer'e'lyop erating the clamp nut, and thuscompressing the thr'ee'p-lates-14, 15 and 16" together.

The'plate 14 is provided with graduations at 22, representing thedegrees of a circle, and: the plate 16 is provided with an index orpointer 23 to enable. the blade-ll' to be sen-at:- Thus by the anydesired degree or angles. coaction of'the graduationson the blade 14 theindex on the blade 16, and the clamp-nut 21 the blade 11 may be adjustedto any desired angle relative to the blade 10 and firmly clamped inthe'adjusted position.

The blade 10 is provided with plates 24 25, conforming in outline to thecombined sections 10 and 11 when folded and serving the twofold purposeof a housing to the sections when in folded position and as an extensionof the blade 10 for coaction with the blade 11 when the latter isadjusted at an angle thereto, as will be obvious.

Slidably disposed in the free end of the blade isa graduated bar-gage26, having an enlarged head 27, corresponding to the curved portions ofthe plates 14, 15, and 16, and provided with a cavity 28 to receive'thenut 21 and the protruding portion of the pin 18 when the implement is infolded osition, as in Fig. 1, and thus entirely concea ing andprotecting the nut.

The enlarged head 27 of the bar-gage conforming to the outer portions ofplates 14 15 16 when the implement is in folded position,

the rule-joint end of the im lement prel rounding objects.

The device is simple in construction, can be inexpensively manufactured,and applied to any size or form of rule manufactured.

I it Having thus described the invention, What is claimed is- 1. A rulecomprising jointed sections, one of said sections having a threaded pinextending therefrom and the other section having a slot to receive saidpin, a clamping-nut engaging said pin, a bar-gage slida ly engaging oneof said sections and provided with an enlarged head having a recessformed therein for the reception of the nut and the protruding portionof said pin, and a sectional plate secured to one of the rule-sectionsand forming a housing for both sides of the rule when the latter isfolded.

2. A rule comprising intermediately-jointed sections, a joint unitingsaid sections and formed of superimposed plates semicircular at theouter portions and pivotally united, housing-plates connectedrespectively to the jointed members of one of said rule-sections,

adjusted position, a bar-gage slidably engaging one of said sections andhaving an enlarged head corresponding to said joint-pl ates and bearingupon the same when the sections are in folded position, said head beingprovided with a recess for the reception of the clamping means, and asectional plate secured to one of the rule-sections and forming ahousing for both sides of the rule when the latter is folded.

4. A rule comprising two sections, a joint. uniting said sections andformed of superimposed plates pivotally united, a bar-gage slidablyengaging one of said sections and having an enlarged head correspondingto said joint-plates and a sectional plate secured to one of therule-sections and forming a housing for both sides of the rule when thelatter is folded.

5. A rule comprising pivotally-united sections, clamping means piercingthe pivoted ends of said sections, a bar-gage slidably engaging one ofsaid sections and having an enlarged head provided with a recess for thereception of the clamping means, and a sectional plate secured to one ofthe rule-seetions and forming a housing for both sides of the rule whenthe latter is folded.

In testimony that I claim the foregoing as my own I have hereto afiixedmy signature in the presence of two witnesses.

EDl/VARD PETER JOHNSON.

WVitnesses ANTHoN ECKERN, C. H. SANDS.

